Side by side

Seiko Prospex Sea 1965 Heritage Diver's WatchvsZelos Thresher 44

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Thresher 44
ZelosThresher 44
MSRP $549

At a glance

15 of 29 specs differ
Diameter
Prospex Sea 1965 Heritage Diver's Watch40mm
Thresher 4444mm
Power Reserve
Prospex Sea 1965 Heritage Diver's Watch72h
Thresher 4440h
Water Resistance
Prospex Sea 1965 Heritage Diver's Watch300m
Thresher 44500m
MSRP
Prospex Sea 1965 Heritage Diver's Watch$1,300
Thresher 44$549

Full specifications

Case

6 specs
Diameter
40mm
44mm
Thickness
13mm
12.8mm
Lug-to-Lug
46.4mm
44mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
500m

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Grey
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
6R55
Miyota 9015
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,300
$549

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Prospex Sea 1965 Heritage Diver's Watch

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its refined engineering and updated features, including a 300m water resistance and a 72-hour power reserve from the Caliber 6R55 movement in a 40mm case. Owners note its better build quality and interesting finishing with a mix of polished and brushed surfaces. The "Tranquil Teal" variant features a jewel-toned dial with a rippling-water pattern. However, some owners consider the price too high, and concerns exist regarding the accuracy of the 6R movements, with some reporting theirs run slow. One review notes a reflective dial that impacts legibility. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and improved specifications over previous generations, despite some reservations about movement accuracy and price.

Zelos Thresher 44

Owners widely praise the Zelos Thresher 44, with one owner noting its finish has proven remarkably scratch-resistant. However, one owner found the finishing on their hammered grey variant not as well done as expected. The Zelos Thresher 44 with an agate dial sold out in 90 seconds, with one owner receiving theirs and noting the bracelet was fully wrapped. Overall, owners rate the Zelos Thresher 44 highly for its desirability and scratch-resistant finish.

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